W
- Christopher Walken (born 1943)
- The Wonderful John Acton (1953)
- The Motorola Television Hour (1954)
- The Guiding Light (1954–1956)
- Paul Walker (born 1973)
- Highway to Heaven (1985–1986)
- Monster in the Closet (1986)
- Throb (1986)
- Programmed to Kill (1987)
- Jon Walmsley (born 1956)
- The Waltons (1972–1981)
- Maitland Ward (born 1977)
- The Bold and the Beautiful (1994–1996)
- Mike Weinberg (born 1993)
- Dark Angel (2000)
- 7th Heaven (2001/2002)
- Scrubs (2004, My Best Moment)
- The Suite Life of Zack & Cody (2006, Kept Man)
- Life as a House (2001)
- Home Alone 4: Taking Back The House (2002) - as Kevin
- Stolen Summer (2002)
- Jonathan Ward (born 1970)
- Charles in Charge (1984–1985)
- The New Adventures of Beans Baxter (1987–1988)
- Malcolm-Jamal Warner (born 1970)
- The Cosby Show (1984–1992)
- John David Washington (born 1984)
- Malcolm X (1992)
- Angela Watson (born 1975)
- Step by Step (1991–1998)
- Cara Mia Wayans (born 1987)
- Blankman (1994)
- Damien Dante Wayans (born 1980)
- Eddie Murphy: Raw (1987)
- In Living Color (1991)
- Major Payne (1995)
- Don't Be a Menace to South Central While Drinking Your Juice in the Hood (1996)
- New York Undercover (1996)
- 413 Hope St. (1997)
- Damon Wayans, Jr. (born 1982)
- Blankman (1994)
- Kyla Wayans (born 1991)
- My Wife and Kids (2001)
- Michael Wayans (born 1985)
- Blankman (1994)
- Ernie Weckbaugh (born 1931)
- Our Gang
- Cole Evan Weiss (born 1989)
- The Sandlot 2 (2005)
- Tracy Wells (born 1971)
- CBS Schoolbreak Special (1988) - as Kathy
- Mr. Belvedere (1985-1990) - as Heather Owens
- Gremlins (1984) - as Schoolchild
- Devon Werkheiser (born 1991)
- We Were Soldiers (2002)
- Ned's Declassified School Survival Guide (2004–2007)
- Shredderman Rules (2007)
- Nathan West (born 1978)
- D2: The Mighty Ducks (1994)
- Wil Wheaton (born 1972)
- Stand By Me (1986)
- Star Trek: The Next Generation (1987–1990)
- Jill Whelan (born 1966)
- Friends (1979)
- The Love Boat (1979–1986)
- Airplane! (1980)
- Fantasy (1982)
- Julia Whelan (born 1984)
- Nowhere Man (1996)
- Christmas Every Day (1996)
- Fifteen and Pregnant (1998)
- Promised Land (1998)
- ER (1998)
- Once and Again (1999–2002)
- The Secret Life of Zoey (2002)
- Lisa Whelchel (born 1963)
- The New Mickey Mouse Club (1977–1978)
- The Double McGuffin (1979)
- The Facts of Life (1979–1988)
- Johnny Whitaker (born 1959)
- The Russians Are Coming, The Russians Are Coming (1966)
- Family Affair (1966–1971) - as Jody Davis
- Napoleon and Samantha (1972) - as Napoleon Wilson
- The Biscuit Eater (1972)
- Snowball Express (1972)
- Tom Sawyer (1973) - as Tom Sawyer
- Sigmund and the Sea Monsters (1973–1975) - as Johnny Stuart
- Jaleel White (born 1976)
- Charlie & Co. (1985–1986)
- Family Matters (1989–1998)
- Adventures of Sonic the Hedgehog (1993)
- Sonic the Hedgehog (1993–1994)
- Mae Whitman (born 1988)
- When a Man Loves a Woman (1994)
- Bye Bye Love (1995)
- Independence Day (1996)
- One Fine Day (1996)
- Chicago Hope (1996–1999)
- Johnny Bravo (1997–2004)
- The Gingerbread Man (1998)
- Hope Floats (1998) - as Bearnice Pruitt
- JAG (1998–2001)
- An American Rhapsody (2001)
- State of Grace (2001–2002)
- The Wild Thornberrys Movie (2002)
- Fillmore! (2002–2004)
- The Jungle Book 2 (2003)
- Teacher's Pet (2004)
- Arrested Development (2004–2006)
- The Happy Elf (2005)
- Avatar: The Last Airbender (2005–2008)
- Bondage (2006)
- Thief (2006)
- Violet Wilkey (1903–1976)
- The Burned Hand (1915)
- The Birth of a Nation (1915)
- The Children Pay (1916)
- Rebecca of Sunnybrook Farm (1917)
- Ashley C. Williams (born 1984)
- Willow (1988)
- Barry Williams (born 1954)
- The Brady Bunch (1969–1974) - as Greg Brady
- The Brady Kids (1972–1974) (voice)
- Kellie Shanygne Williams (born 1976)
- Family Matters (1989–1998)
- Michelle Williams (born 1980)
- Lassie (1994)
- Raising Caines (1995)
- Species (1995)
- Timemaster (1995)
- My Son is Innocent (1995)
- Killing Mr. Griffin (1997)
- A Thousand Acres (1997)
- Dawson's Creek (1998–2003)
- Tyler James Williams (born 1992)
- Law & Order: Special Victims Unit (2005)
- Unaccompanied Minors (2006)
- Everybody Hates Chris (2005–2009)
- Paul Willis (1901–1960)
- Shootin' Mad (1918)
- The Trouble Buster (1917)
- The Haunted Pajamas (1917)
- The Promise (1917)
- The Fall of a Nation (1916)
- Could a Man Do More? (1915)
- The Indian Trapper's Vindication (1915)
- The Little Lumberjack (1915)
- The Old Batch (1915)
- A Rightful Theft (1915)
- The Little Soldier Man (1915)
- A Man for All That (1915)
- The Little Matchmaker (1915)
- Bill Goes in Business for Himself (1914)
- The Milkfed Boy (1914)
- The Poor Folks' Boy (1914)
- Johanna, the Barbarian (1914)
- The Brute (1914)
- Little Kaintuck (1913)
- Scout LaRue Willis (born 1991)
- The Scarlet Letter (1995) - as Pearl Dimmesdale
- Breakfast of Champions (1999)
- Bandits (2001)
- Rumer Willis (born 1988)
- Now and Then (1995)
- Striptease (1996) - as Angela Grant
- The Whole Nine Yards (2000)
- Tallulah Belle Willis (born 1994)
- The Scarlet Letter (1995) - as Baby Pearl Dimmesdale
- Bandits (2001)
- The Whole Ten Yards (2004)
- Chelsea Wilson (born 1987)
- Lizzie McGuire (2001–2003)
- Mara Wilson (born 1987)
- Mrs. Doubtfire (1993)
- A Time to Heal (1994)
- Miracle on 34th Street (1994)
- Matilda (1996) - as Matilda Wormwood
- A Simple Wish (1997)
- Balloon Farm (1999)
- Thomas and the Magic Railroad (2000)
- Camille Winbush (born 1990)
- Dangerous Minds (1995)
- Eraser (1996)
- 7th Heaven (1996–1999)
- Ghost Dog: The Way of the Samurai (1999)
- Geppetto (2000)
- The Bernie Mac Show (2001–2006)
- Michael Winkelman (1946–1999)
- The Real McCoys (1957–1963)
- The Munsters (1965 guest-starring role)
- Jane Withers (born 1926)
- Tailspin Tommy (1934)
- It's a Gift (1934)
- Imitation of Life (1934)
- Bright Eyes (1934)
- The Farmer Takes a Wife (1935)
- Giant (1956)
- Reese Witherspoon (born 1976)
- The Man in the Moon (1991)
- A Far Off Place (1993)
- Jack the Bear (1993)
- Return to Lonesome Dove (1993)
Michael-James Wixted The Smith Family (1971)
- Elijah Wood (born 1981)
- Avalon (1990)
- Radio Flyer (1992)
- Forever Young (1992) - as Nat
- The Adventures of Huck Finn (1993)
- The Good Son (1993)
- North (1994) - as North
- The War (1994)
- Flipper (1996)
- Deep Impact (1998)
- The Faculty (1998) - as Casey Connor
- Natalie Wood (1938–1981)
- Tomorrow Is Forever (1946)
- Miracle on 34th Street (1947)
- The Ghost and Mrs. Muir (1947)
- Rebel Without a Cause (1955)
- Shailene Woodley (born 1991)
- The Secret Life of the American Teenager (2008–present)
- Jimmy Workman (born 1980)
- The Addams Family (1991)
- Christmas in Connecticut (1992)
- The Addams Family Values (1993)
Read more about this topic: List Of Former Child Actors From The United States